Clamp Jaw Jigsaw Mechanism for Meter Socket Assembly
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Solution Overview
Problem
Current clamp jaw lever bypass meter sockets rated 100A to 320A continuous duty are complex to assemble, requiring over 100 parts and expensive manufacturing processes, with frequent maintenance needs and complicated copper alloy fabrication.
Innovation Solution
A clamp jaw assembly with a jigsaw mechanism in the top portion and a bypass mechanism in the bottom portion, comprising a copper jaw bus, contact plate, jaw spring, bypass spring, compression spring, shoulder screw, and fasteners, which simplifies the assembly and reduces the number of components and manufacturing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional clamp jaw lever bypass meter sockets are manufactured with complex copper alloy fabrication and multiple components, then the structural integrity and functionality are maintained, but the manufacturing cost and complexity increase significantly
Solution Approach 1:
The meter socket is divided into separate modular components: a block assembly containing the bypass mechanism and multiple independent clamp jaw assemblies. Each clamp jaw assembly is a self-contained unit that can be manufactured separately and then assembled to the block assembly, reducing overall manufacturing complexity while maintaining structural integrity through standardized connection interfaces.
Solution Approach 2:
The clamp jaw assembly integrates multiple functions into a single unified structure: the copper jaw bus, contact plate, jaw spring, bypass spring, compression spring, and fasteners are combined into one assembly unit. This merging eliminates the need for separate components and assembly steps for each element, reducing manufacturing complexity and part count while maintaining all necessary electrical and mechanical functions.
2Adaptability or versatility
If traditional clamp jaw lever bypass meter sockets use over 100 parts and special tooling, then the functionality is complete, but the assembly time and manufacturing cost increase
Solution Approach 1:
The meter socket is segmented into a block assembly and multiple identical clamp jaw assemblies. This modular approach allows for standardized manufacturing and assembly procedures that can be replicated efficiently. The simplified clamp jaw assembly with integrated components reduces the number of unique parts from over 100 to a manageable set of standardized components, significantly improving assembly efficiency.
Solution Approach 2:
The clamp jaw assembly is designed as a universal module that can be used in various meter socket configurations (single-phase with four assemblies or three-phase with six assemblies). The multi-functional design incorporates the copper jaw bus, contact plate, and spring mechanisms into a single assembly that performs multiple functions simultaneously, eliminating the need for separate specialized components and reducing overall part count.
3Reliability
If traditional jaw housings require special copper alloy fabrication and frequent tool maintenance, then the electrical conductivity and durability are ensured, but the manufacturing cost and maintenance requirements increase
Solution Approach 1:
The copper jaw bus and contact plate are merged into a single integrated component within the clamp jaw assembly. This eliminates the need for separate fabrication processes for copper components and their assembly, reducing manufacturing complexity and tooling requirements. The integrated design maintains electrical conductivity and durability through direct metal-to-metal contacts while simplifying the manufacturing process.
Solution Approach 2:
Instead of fabricating complex jaw housings and then assembling components within them, the invention inverts the approach by creating simple, open clamp jaw assemblies that are attached to the block assembly. This reversal eliminates the need for complex housing fabrication and special tooling, reducing manufacturing cost and maintenance requirements while maintaining all necessary electrical and mechanical functions.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The simplified assembly process reduces manufacturing costs and complexity, while maintaining the necessary structural integrity and functionality for meter sockets, enhancing the ease of production and maintenance.
Implementation Method 1
a compression spring, a shoulder screw, and two fasteners. The copper jaw bus and the contact plate are assembled to a jaw assembly with the two fasteners
Implementation Method 2
The jaw spring and bypass spring are attached together with a rivet to form a spring combo
Data Source
AI summary
A meter socket is provided for watt-hour meters. The meter socket comprises a block assembly mounted at a center of the meter socket, a bypass mechanism situated in the bottom portion of the block assembly and a plurality of clamp jaws. The block assembly includes a top portion and a bottom portion. The bypass mechanism includes a plurality of rotary bypass blades coupled to a lever arm. Each clamp jaw includes a clamp jaw assembly that includes a jigsaw mechanism situated in the top portion of the block assembly. The jigsaw mechanism includes a copper jaw bus, a contact plate, a jaw spring, a bypass spring, a compression spring, a shoulder screw, a rivet or one or more fasteners. Each clamp jaw further includes a clamp jaw bypass mechanism that includes a jaw opening formed between the copper jaw bus and the jaw spring to receive a rotary bypass blade of the plurality of rotary bypass blades of the bypass mechanism.